Saraksh is a bizarre planet, a disfigured planet, one of the Worlds of the Strugatsky brothers. Progressive earthlings - Rudolf Sikorsky and Maxim Kammerer - are trying to save Saraksh and its inhabitants from the consequences of nuclear war and the use of psychotronic emitters, but will the progressor medicine turn out to be more dangerous than the disease itself, and the future of Saraksh more terrible than its present? To what extent is it permissible for older “brothers in mind” to interfere in the destinies of “younger brothers”, and is it permissible at all? Maxim Kammerer receives answers to these questions from a mysterious creature - the Wanderer - with whom the earthling meets in the ruins of a dead city burned by atomic flame. The continuation of the famous novel by Arkady and Boris Strugatsky "Inhabited Island" - a new meeting with old heroes.